Bob Saget.Photo: James Brickwood/getty

Bob Saget

WhenBob Sagetchecked into room 962 at the Ritz-Carlton Orlando Grande Lakes in Florida on Jan. 7, the 65-year-old comedian seemed to have the vitality of a man half his age.

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The mystery deepened when Chief Medical Examiner Joshua Stephany, MD later revealed in the autopsy thatSaget’s death was “the result of blunt head trauma,” ruling the manner of his passing an accident not tied to any illicit drugs or toxins. Additionally,the comedian’s autopsyindicated he had severe fractures to the back of his head and around his eyes when he died.

PEOPLE spoke with several involved in the investigation of Saget’s death. “It’s definitely an unusual case,” an Orange County Sheriff’s deputy says. “There are still a lot of unanswered questions.”

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Using his key card, Saget entered his room at 2:17 a.m., hanging a “Do Not Disturb” placard on his doorknob and locking the door from the inside. The door didn’t open again until the following afternoon when hotel security found him dead.

Now, investigators have pieced together a theory of how Saget died.

Police believe that a groggy Saget regained consciousness and stumbled into bed, where he again lost consciousness and died. His time of death was estimated to be around 4:00 am, approximately 12 hours before his body was found.

As police move towards closing the investigation into Saget’s death, those close to the actor are choosing to focus on the fond memories they had with him.

“We all want to keep Bob’s legacy alive,” hisFull Housecostar Candace Cameron Bure tells PEOPLE. “I want to share things about Bob and share about the laughs and the good times. That part feels comforting.”

source: people.com